Finding the Fourth Proportional to 2,550.03, 3,824.69 and 818.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.03 : 3,824.69 = 818.43 : x
2. Step 2: Convert to fraction form
   2,550.03/3,824.69 = 818.43/x
3. Step 3: Cross multiply
   2,550.03x = 3,824.69 × 818.43
4. Step 4: Simplify right side
   2,550.03x = 3,130,255.89
5. Step 5: Solve for x
   x = 3,130,255.89/2,550.03
6. Step 6: Final answer
   x = 1,227.54